Angular2 NgModelChange Previous Value
Answer : What you can do is, DEMO : http://plnkr.co/edit/RXJ4D0YJrgebzYcEiaSR?p=preview <input type="text" [ngModel]="text" //<<<###changed [(ngModel)]="text" to [ngModel]="text" (ngModelChange)="textChanged($event)"> private textChanged(event) { console.log('changed', this.text, event); this.text=event; //<<<###added } So found kinda weird(at least for me) possible solution for this with least changes in the code in question. So on assigning the (ngModelChange) attribute before [(ngModel)] what I get is following with the same handler: changed *older value* *new value* I get the new value in this.text like so: setTimeout(() => console.log(this.text), 0); all you need to do is to put (ngModelChange)="textChanged($event)" to the left of [(ngModel)] element in the html tag, like: <input (whateve...